{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["enabling technology", "machanical property", "concept or principle", "manufacturing process", "process parameter", "engineering feature"], "input": "Although the two appraoches are not hard to understand , the operation and optimization of lattice structures is quite complicated , especially for large size structure design ."}
{"enabling technology": [], "machanical property": [], "concept or principle": ["optimization"], "manufacturing process": [], "process parameter": [], "engineering feature": ["lattice structures", "structure design"]}